BMW 3 series, E21 (EU)

Coolant capacity & service interval

BMW 3 series, E21 (EU) coolant capacity ranges from 7 to 12 liters. The service interval for coolant is 24 months. The data covers 9 configurations.

The configuration chart below lists fill volumes and service intervals for each engine and trim variant.

TypeSpecifications
315 (1981-1983)
  • Use: Normal
  • Capacity 7,2 liter
  • Change 24 months
316 (1981-1982)
  • Use: Normal
  • Capacity 7,2 liter
  • Change 24 months
318i (1981-1982)
  • Use: Normal
  • Capacity 7,2 liter
  • Change 24 months
320/6 (1977-1982)
  • Use: Normal
  • Capacity 12 liter
  • Change 24 months
323i (1977-1982)
  • Use: Normal
  • Capacity 12 liter
  • Change 24 months
316 (1975-1980)
  • Use: Normal
  • Capacity 7,2 liter
  • Change 24 months
318 (1975-1980)
  • Use: Normal
  • Capacity 7,2 liter
  • Change 24 months
320 (1975-1977)
  • Use: Normal
  • Capacity 7 liter
  • Change 24 months
320i (1975-1977)
  • Use: Normal
  • Capacity 7 liter
  • Change 24 months

Other Systems